Dust mop frame



FIG. 1 is a top, front and left side perspective view of a dust mop frame showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The mop yarn shown in broken lines in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dust mop frame, as shown and described. 